What is the solution of 3x 15?

What is the solution of 3x 15?

Usually we can solve this by dividing 3 from both sides… 3x/3 = 15/3, getting x=5 as your answer.

What is the solution to this inequality?

Solve this inequality. Explanation: Isolate all the terms with on one side and the other terms on the other side and solve for . First subtract the an x from both sides of the inequality.

What is the inverse operation of 3x 15?

Since g(f(x))=x g ( f ( x ) ) = x , f−1(x)=x3+5 f – 1 ( x ) = x 3 + 5 is the inverse of f(x)=3x−15 f ( x ) = 3 x – 15 .

What is the coefficient in 3x 15?

3x = 15 can be solved with the Multiplication Property of Equality. In order to solve this equation, x must be isolated. So, if we multiply both sides by 1/3, then x’s coefficient will become 1. 15 times 1/3 (15 * 1/3 = 15/3) equals 5.

What represents the solution set?

The set containing all the solutions of an equation is called the solution set for that equation. If an equation has no solutions, we write ∅ for the solution set. ∅ means the null set (or empty set).

What is inverse operation math?

Inverse operationsare pairs of mathematical manipulations in which one operation undoes the action of the other—for example, addition and subtraction, multiplication and division. The inverse of a number usually means its reciprocal, i.e. x – 1 = 1 / x . The product of a number and its inverse (reciprocal) equals 1.

How do you solve the multiplication property of equality?

We learned that the multiplication property of equality states that if we multiply one side of an equation, we also multiply the other side of the equation by the same number to keep the equation the same. The formula for this property is if a = b, then a * c = b * c.

Is each ordered pair a solution of the inequality?

Two or more linear inequalities grouped together form a system of linear inequalities. To determine if an ordered pair is a solution to a system of two inequalities, we substitute the values of the variables into each inequality. If the ordered pair makes both inequalities true, it is a solution to the system.

What is a solution math?

A solution to an equation is a number that can be plugged in for the variable to make a true number statement.

What are the steps to solving inequalities?

Steps to solving inequalities: • Isolate the variable on the LEFT side of the inequality. • Add or subtract to isolate the variable term. • Multiply or divide to isolate the variable. • Remember to FLIP the symbol when you multiply or divide by a negative !

What can be done to improve income inequality?

Fortunately, there are some measures that our leaders could implement that might reduce income inequality or at least deal with some of its effects. Actions that may reduce income inequality include: Abolish the payroll or withholding taxes, which take a percentage of a person’s salary.

What is the difference between solving equations and inequalities?

An equation is a mathematical statement that shows the equal value of two expressions while an inequality is a mathematical statement that shows that an expression is lesser than or more than the other. 2. An equation shows the equality of two variables while an inequality shows the inequality of two variables.

How do you solve equations and inequalities?

To solve equations and inequalities, work to isolate the variable by using inverse operations. Remember, when you multiply or divide an inequality by a negative number, you must reverse the inequality symbol. Solve for the correct value of x in the following equations and inequalities. For example: -5x + 3x + 1 > -14.